The Song of Auspicious Clouds is a very ancient song.
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culture
Tradition says 舜 sang it with his ministers when he passed the throne to 禹. It survives in the 尚书大传: 卿云烂兮,纠缦缦兮。日月光华,旦复旦兮。 'Bright are the auspicious clouds, trailing and winding; the light of sun and moon, dawn after dawn.'
history
Set to music, it served as the national anthem of the Beiyang government in Beijing in the 1920s.